﻿using System; 
using System.Collections.Generic;
using System.Text;
using System.Data.SqlClient;
using System.Data;
using Matrix.Common.DBUtility;
using Matrix.MaKaYunShang.Model;

namespace Matrix.MaKaYunShang.DAL
{
	public partial class SysMessageDAL : BaseDAL<SysMessageDAL>
	{
		#region 默认方法
		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(SysMessage model)
		{
			var strSql=new StringBuilder();
			strSql.Append("insert into SysMessage(");			
            strSql.Append("ToUserId,Title,MsgContent,IsView,ViewTime,MagUserId,AddTime,IsDelete");
			strSql.Append(") values (");
            strSql.Append("@ToUserId,@Title,@MsgContent,@IsView,@ViewTime,@MagUserId,@AddTime,@IsDelete");            
            strSql.Append(") ");            
            strSql.Append(";select @@IDENTITY");		
			SqlParameter[] parameters = {
			            new SqlParameter("@ToUserId", SqlDbType.Int,4) ,            
                        new SqlParameter("@Title", SqlDbType.NVarChar,128) ,            
                        new SqlParameter("@MsgContent", SqlDbType.NVarChar,4096) ,            
                        new SqlParameter("@IsView", SqlDbType.Bit,1) ,            
                        new SqlParameter("@ViewTime", SqlDbType.DateTime) ,            
                        new SqlParameter("@MagUserId", SqlDbType.Int,4) ,            
                        new SqlParameter("@AddTime", SqlDbType.DateTime) ,            
                        new SqlParameter("@IsDelete", SqlDbType.Int,4)             
              
            };
			            
            parameters[0].Value = model.ToUserId;                        
            parameters[1].Value = model.Title;                        
            parameters[2].Value = model.MsgContent;                        
            parameters[3].Value = model.IsView;                        
            parameters[4].Value = model.ViewTime;                        
            parameters[5].Value = model.MagUserId;                        
            parameters[6].Value = model.AddTime;                        
            parameters[7].Value = model.IsDelete;            			var obj = DbHelperSQL.GetSingle(strSql.ToString(),parameters);			
			return obj == null ? 0 : Convert.ToInt32(obj);
		}
				
		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(SysMessage model)
		{
			var strSql=new StringBuilder();
			strSql.Append("update SysMessage set ");
			                                                
            strSql.Append(" ToUserId = @ToUserId , ");                                    
            strSql.Append(" Title = @Title , ");                                    
            strSql.Append(" MsgContent = @MsgContent , ");                                    
            strSql.Append(" IsView = @IsView , ");                                    
            strSql.Append(" ViewTime = @ViewTime , ");                                    
            strSql.Append(" MagUserId = @MagUserId , ");                                    
            strSql.Append(" AddTime = @AddTime , ");                                    
            strSql.Append(" IsDelete = @IsDelete  ");            			
			strSql.Append(" where Id=@Id ");
						
			SqlParameter[] parameters = {
			            new SqlParameter("@Id", SqlDbType.Int,4) ,            
                        new SqlParameter("@ToUserId", SqlDbType.Int,4) ,            
                        new SqlParameter("@Title", SqlDbType.NVarChar,128) ,            
                        new SqlParameter("@MsgContent", SqlDbType.NVarChar,4096) ,            
                        new SqlParameter("@IsView", SqlDbType.Bit,1) ,            
                        new SqlParameter("@ViewTime", SqlDbType.DateTime) ,            
                        new SqlParameter("@MagUserId", SqlDbType.Int,4) ,            
                        new SqlParameter("@AddTime", SqlDbType.DateTime) ,            
                        new SqlParameter("@IsDelete", SqlDbType.Int,4)             
              
            };
						            
            parameters[0].Value = model.Id;                        
            parameters[1].Value = model.ToUserId;                        
            parameters[2].Value = model.Title;                        
            parameters[3].Value = model.MsgContent;                        
            parameters[4].Value = model.IsView;                        
            parameters[5].Value = model.ViewTime;                        
            parameters[6].Value = model.MagUserId;                        
            parameters[7].Value = model.AddTime;                        
            parameters[8].Value = model.IsDelete;                        return DbHelperSQL.ExecuteSql(strSql.ToString(), parameters) > 0;
		}
				
		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int Id)
		{
			var strSql=new StringBuilder();
			strSql.Append("update SysMessage set IsDelete=1 ");
			strSql.Append(" where Id=@Id");
						SqlParameter[] parameters = {
					new SqlParameter("@Id", SqlDbType.Int,4)
			};
			parameters[0].Value = Id;

			return DbHelperSQL.ExecuteSql(strSql.ToString(), parameters) > 0;
		}
		
				/// <summary>
		/// 批量删除一批数据
		/// </summary>
		public bool DeleteList(string Idlist )
		{
			var strSql=new StringBuilder();
			strSql.Append("update SysMessage set IsDelete=1 ");
			strSql.Append(" where Id in ("+Idlist + ")  ");
			return DbHelperSQL.ExecuteSql(strSql.ToString()) > 0;
		}
						
		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public DataSet GetModel(int Id)
		{
			var strSql=new StringBuilder();
			strSql.Append("select Id, ToUserId, Title, MsgContent, IsView, ViewTime, MagUserId, AddTime, IsDelete  ");			
			strSql.Append("  from SysMessage ");
			strSql.Append(" where Id=@Id  and IsDelete=0");
						SqlParameter[] parameters = {
					new SqlParameter("@Id", SqlDbType.Int,4)
			};
			parameters[0].Value = Id;
			
			var ds = DbHelperSQL.Query(strSql.ToString(),parameters);			
			return ds.Tables[0].Rows.Count>0 ? ds : null;
		}
				
		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			var strSql=new StringBuilder();
			strSql.Append("select * ");
			strSql.Append(" FROM SysMessage where IsDelete=0 ");
			if(!string.IsNullOrEmpty(strWhere))
			{
				strSql.Append(" and "+strWhere);
			}
			return DbHelperSQL.Query(strSql.ToString());
		}		
		#endregion
		
		#region 扩展方法
        /// <summary>
        /// 查询用户系统消息
        /// </summary>
        /// <remarks>crate lk 2016-06-12</remarks>
        /// <returns></returns>
        public List<SysMessage> GetSysMessageList(int pageIndex, int pageSize, int toUserId, ref int totalCount)
        {
            string strWhere = " IsDelete=0 ";
            const string table = " SysMessage ";
            if (toUserId > 0)
            {
                strWhere += " and (toUserId=@toUserId or toUserId=0 or touserId is NULL)";

            }
            else
            {
                strWhere += " and toUserId IS NULL ";
            }
            SqlParameter[] parameters = { new SqlParameter("@toUserId", SqlDbType.Int, 4) };
            parameters[0].Value = toUserId;
            return GetSimpleListPage<SysMessage>(pageIndex, pageSize, table, null, null, "AddTime desc", strWhere, ref totalCount, parameters);
        }
		#endregion
	}
}
